libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins)

A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the...

Allocation of Resources Without Limits or Throttling

Overview swift-otel/swift-w3c-trace-context is a Micro-library exposing the W3C Trace-Context as a Swift struct Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to improper input validation. An attacker can cause a crash of the service b...

EUVD-2026-3520

User-controlled header names and values containing newlines can allow injecting HTTP headers...

DEBIAN-CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

AZL-75053 CVE-2026-0865 affecting package python3 for versions less than 3.9.19-19

User-controlled header names and values containing newlines can allow injecting HTTP headers...

AZL-75032 CVE-2026-0865 affecting package python3 for versions less than 3.12.9-8

User-controlled header names and values containing newlines can allow injecting HTTP headers...

AZL-84272 CVE-2026-0865 affecting package docbook5-style-xsl 1.79.2-11

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

UBUNTU-CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the wsgiref.headers.Headers. An attacker can manipulate HTTP responses by injecting arbitrary headers through user-controlled input containing newline characters. Remediation A fix was pushed into the master...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

CVE-2026-0865: Python’s wsgiref.headers allows header newline injection via user-controlled header names/values. Affects CPython components handling HTTP headers; multiple OS vendors reference this in advisories (e.g., RHSA-2026:2128, USN-8018-1, ALSA-2026:2128, DLA-4455). Mitigation is to upgrad...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

PSF-2026-6

User-controlled header names and values containing newlines can allow injecting HTTP headers...

AZL-75077 CVE-2025-59465 affecting package nodejs for versions less than 20.14.0-13

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...